Phylum:Ascomycota >> Class: Dothideomycetes >>  Order: Dothideomycetes 
 BCRC Number NO BCRC Number!  
 Scientific Name: Pseudocercospora nigricans

Pseudocercospora nigricans (Cooke) Deighton. Mycol. Pap. 140:149, 1976.

Basionym: Cercospora nigricans Cooke, Grevillea 12:30, 1883..

 Description: Leaf spots indefinite or merely yellowish discoloration at first, later becoming grayish brown, 2-3 mm wide, without definite border. Fruiting hypophyllous, sooty effuse. Stromata none or only a few cells. Conidiophores 2-12 in a fascicle, pale olivaceous brown, uniform in colour, 1-3 septate, branched, mildly to abruptly geniculate, conically truncate at the apex, 15-125 × 3-5 μm. Conidia cylindric to cylindro-obclavate, subhyaline to pale olivaceous, straight, 1-10 septate, obtuse at the apex, obconically truncate at the base, 20-80 × 3-5 μm.

Taiwan, Taichung Hsien, Kukuan, 27 Oct. 1985, NCHUPP-191, on Cassia occidentalis L. Taichung Hsien, Tali, 12 Nov. 1945, Herb. NTU-PPE, labelled as Cercospora cassiae-torosae on Cassia torosa Cav.

 Habitat: On leaves of Cassia spp.

Burma, Cuba, Japan, Mauritius, Philippines, Sabah, Sierra Leone, Sudan, Taiwan, Trinidad, U.S.A., Venezuela.


Hsieh, WH and Goh, TK. 1990.


W. H. Hsieh

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